# NTSB investigations, MI: Low altitude operation/event

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB CEN24LA318](https://openairdocs.org/ntsb/CEN24LA318.md): Ayres S2R · Stanwood, MI · Accident · No injuries · Class 3 · Limited · Final report · Jun 20, 2024 · N4004K · Substantial damage
  > The pilot’s failure to maintain terrain clearance during a low-level aerial application flight, which resulted in impact with terrain and a subsequent forced landing. Contributing to the accident was the location of the spray boom pressure gauge, which…
- [NTSB CEN21LA283](https://openairdocs.org/ntsb/CEN21LA283.md): Air Tractor AT-502B · Edwardsburg, MI · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 20, 2021 · N8523Z · Substantial damage
  > The pilot’s failure to identify rising terrain and to maintain terrain clearance from trees during an aerial application pass that resulted in an in-flight collision with trees and terrain.
- [NTSB CEN21LA123](https://openairdocs.org/ntsb/CEN21LA123.md): Piper J3F-50 · Weidman, MI · Accident · No injuries · Class 4 · Limited · Final report · Feb 3, 2021 · N26811 · Substantial damage
  > The pilot’s failure to maintain clearance from terrain during a low approach over a snow-covered runway. Contributing to the accident was the loss of depth perception due to the bright sunlight and snow.
- [NTSB CEN20LA272](https://openairdocs.org/ntsb/CEN20LA272.md): Golden Circle Air T-Bird · Grosse Ile, MI · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 11, 2020 · N50JH · Substantial damage
  > The noncertificated pilot’s failure to maintain clearance from trees while maneuvering at low altitude in gusting wind conditions. Contributing to the accident was the pilot’s lack of flight experience.
- [NTSB CEN13LA086](https://openairdocs.org/ntsb/CEN13LA086.md): Bell 47G-2 · Walkerville, MI · Accident · 1 fatal · Limited investigation · Final report · Dec 1, 2012 · N3755Z · Substantial damage
  > The pilot's failure to maintain altitude while maneuvering, which resulted in a collision with trees. Contributing to the accident was the pilot's decision to fly at a low altitude, which did not provide enough margin to recover from the descent.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'MI' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '220')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/220/cases?state=MI

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